CBSE Class 12 Informatics Practices Sample Paper 2015 Set A

Read and download the CBSE Class 12 Informatics Practices Sample Paper 2015 Set A, designed by expert teachers according to the latest 2025-26 curriculum and examination pattern issued by CBSE, NCERT, and KVS. These Class 12 Informatics Practices sample papers include detailed step-by-step solutions, helping students to practice and evaluate their performance against the most recent marking schemes.

Solved Sample Paper for Class 12 Informatics Practices PDF

Our Class 12 Informatics Practices model papers are important for understanding the weightage of different chapters and the difficulty level of expected questions. By solving these guess papers Class 12 students can identify weak areas and improve time management. We also suggest referring to our Class 12 Informatics Practices Question Papers of previous years to further strengthen your exam preparation.

Class 12 Informatics Practices Sample Paper with Solutions

 

1 (a) Draw a network layout of bus topology to connect 5 client computers and 1 server computer.

(b) Mr. John wants to prevent unauthorized access to/from his company's local area network. Write the name of a system (software/ hardware), which he should install to do the same.

(c) Which of the following are open source softwares :

GNU, MS-Office, BOSS, Windows OS

(d) Name the government organization that contributes to the growth of FOSS in India.

(e) Read the given activities carefully and mention whether the activity is snooping or eavesdropping:

i. Getting someone’s login information by casually watching what he/she is typing.

ii. Setting up unauthorized parallel telephone lines

iii. Installing some software/hardware which captures the data while on its way.

iv. Reading the files on someone’s computer in an unauthorized manner.

(d) Kristen has typed the following text in the address bar:

http://www.cbse-international.com/help.htm

Identify and differentiate the URL and Domain name with reference to the example given above.

(e) Chanakya has to write a paragraph in English on nobel laureates as a part of his holiday homework. He is using a software in which he types the text in Hindi and the software automatically converts the text into English. For example, if he types the software converts it into “Nobel Prize is given in six categories”.

What kind of text entry is it – phonetic text entry OR keymap based text entry? How is it different from the other kind of text entry? 

2 (a) In a java program Rajat wants to use a variable to store the quantity of an item which may be in whole numbers or decimals. Write a suitable java statement to declare the variable for the above mentioned purpose.
 
(b) What will be the values of num and num1 after execution of the following code:
 
int num,num1=0;
for(num=100;num<=101;num++)
{
num1= num+2;
--num1;
}
 
(c) Zia is working with list box. She has placed a list control on her form to display the list of all items available in her shop. She wants to allow the user to select multiple items from her list control. Which property of jList should she use to do the same?
 
(d) Raman has typed the following code:

int ch=Integer.parseInt(jTextField1.getText());
switch(ch)
{
case 1:jTextField2.setText("Service");
case 2: jTextField2.setText("Complaint");
case 3: jTextField2.setText("Operator");
break;
default: jTextField2.setText("Not a valid entry");
}
On entering the value 1, 2 or 3, he is getting the same output. Mention the possible reason for the same.
 
(e) Jennifer wants to write html code to create an ordered list starting with “c”. Help her in writing the code.
 
(f) Write any two advantages of xml over html. 
 
(g) Write java code that take any three digit number from the user in jTextField1,calculate the sum of the digits and display it in separate textfield named jTextField2.
For example If the number entered is 432, it should answers as 9 (i.e. 4+3+2).


Please click the link below to download full pdf file for CBSE Class 12 Informatics Practices Sample Paper 2015 Set A

How to download CBSE Class 12 Informatics Practices Sample Paper 2015 Set A in PDF?

Students can easily download the CBSE Class 12 Informatics Practices Sample Paper 2015 Set A from our website to prepare for their upcoming examinations. To score high marks, it is important for Class 12 students to understand the exaact pattern as per which teachers design the question papers. We strongly suggest that you practice these latest sample papers for Informatics Practices and solve different types of questions that are expected to come this year. You can downloadin PDF format so that you can practice offline. We also recommend that Class 12 students solve these papers actual exam conditions at home.

Why should you solve CBSE Class 12 Informatics Practices Sample Paper 2015 Set A?

Practicing these model papers has several benefits for Class 12 students:

  • New Question Bank: This set has fresh questions for Informatics Practices which are different from previous years.
  • Exam Pattern Knowledge: Solving more sets will help you to understand the weightage of each chapter in Class 12 and also the type of questions asked.
  • Identify Weak Areas: Comparing your score in each set to find out topics in Class 12 Informatics Practices for which you need hard work.
  • Speed and Accuracy: Attempting MCQ questions and long-form problems for Class 12 Informatics Practices makes you faster and better and you will be able to finish your exam on time.

What should you do after solving CBSE Class 12 Informatics Practices Sample Paper 2015 Set A?

  1. Check Your Work: Match your answers with the solutions given by our teachers in the Informatics Practices Sample Paper PDF.
  2. Learn from Mistakes: Class 12 students should focus on the questions which you solved incorrectly and understand the error.
  3. Revision: If you find a question difficult you shoul refer to NCERT book for Class 12 Informatics Practices to understand concepts and then try the question again.
  4. Continuous Practice: Solve multiple sets of Informatics Practices sample papers from studiestoday.com to build confidence before the CBSE exams.
Where can I download the PDF for CBSE Class 12 Informatics Practices Sample Paper 2015 Set A?

You can download the complete PDF for CBSE Class 12 Informatics Practices Sample Paper 2015 Set A for free from StudiesToday.com. Our resources for Class 12 Informatics Practices are updated for the latest academic session and follow the official exam pattern.

Are solutions provided for CBSE Class 12 Informatics Practices Sample Paper 2015 Set A?

Yes, CBSE Class 12 Informatics Practices Sample Paper 2015 Set A comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Informatics Practices to help students of Class 12 understand correct methodology and marking scheme.

How can practicing CBSE Class 12 Informatics Practices Sample Paper 2015 Set A help in exam preparation?

Practicing this Informatics Practices paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

Is the CBSE Class 12 Informatics Practices Sample Paper 2015 Set A accessible on mobile and tablets?

Yes, all our study materials for Class 12 Informatics Practices are provided in a mobile-friendly PDF format. You can easily download CBSE Class 12 Informatics Practices Sample Paper 2015 Set A on your mobile device.